Backups in computing crossword

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Across
  1. 6. backs up only what you have changed
  2. 7. Storage on the internet
Down
  1. 1. saving files and data
  2. 2. A file that doesn't open
  3. 3. Backs up everything
  4. 4. Copying files to keep them safe
  5. 5. A big computer that provides data or a program to other computers over a network